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8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank

8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank

    • 8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank
    • 8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank
    • 8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank
  • 8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank

    Product Details:

    Place of Origin: CHINA
    Model Number: M12

    Payment & Shipping Terms:

    Minimum Order Quantity: 500kgs per size
    Packaging Details: plastic bag+carton+pallet
    Payment Terms: L/C, T/T, Western Union
    Supply Ability: 400ton per month
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    Detailed Product Description
    Material: Q195,35#,45#,SS304,SS316 Standard: DIN, ANSI, JIS,IFI, Non-standard
    Surface: Zinc Plated, Blacken, Yellow Zinc Plated, HDG, Dacromet Shape: Round Head, Square Head, Square Neck, Half Round Head
    Garde: 4.8,8.8,10.9 HS Code: 7318159090
    Finish: Plain,HDG,Black,zinc Packing: Small Box /bulk Packed(25 Kg),then On Pallet,Mainly Cartons,Cartons+plastic Bags+wood Pallet,25kg Carton Than Pallet Or According To The Customr Need
    High Light:

    square neck carriage bolt

    ,

    cup head square neck bolt

     

     
    High Quality Carbon Steel DIN 603 Zinc Plated Round Head Square Neck Bolt Carriage Bolts M10, M12
     
     Product Description:
     
    A carriage bolt, coach bolt or round head square neck bolt is a form of bolt used to fasten metal to wood.
     
    It is distinguished from other bolts by its shallow mushroom head and that the shank cross-section of the bolt is circular for most of its length, as usual, but the portion immediately beneath the head is formed into a square section. This makes the bolt self-locking when placed through a square hole in a metal strap, or a round hole in most wood. This allows the fastener to be installed with only a single tool, a spanner or wrench, working from one side. The head of a carriage bolt is usually a shallow dome. The squared section is of the same size as the diameter of the bolt shank, with a plain unthreaded shank.
     
    Carriage bolts were developed for use through iron strengthening plates on either side of a wooden beam, the squared section fitting into a square hole in the ironwork. It is commonplace though to use them to bare timber, the squared section giving enough grip to prevent rotation.
    Carriage bolts are extensively used for security fixings, such as locks and hinges, where the bolt must only be removable from one side. The smooth domed head and square nut below prevent the carriage bolt from being unlocked from the insecure side.
     
    Carriage bolts is also called round head mushroom head square neck screws, mushroom head square neck screws, and round head square neck coach bolt, plow bolt, carriage bolt for timber.
     
    Carriage bolts are largely used in security fixings, such as the Brenton Bolt where the bolt must only be removable from one side. The smooth domed head and square nut below prevent the carriage bolt from being unlocked from the insecure side
     
    Specification:

    1. Product name: High Quality Carbon Steel DIN 603 Zinc Plated Round Head Square Neck Bolt Carriage Bolts M10, M12
    2. Standard: DIN, ANSI, JIS,IFI, non-standard
    3. Materail: Q195,35#,45#,SS304,SS316
    4. Surface: zinc plated, blacken, yellow zinc plated, HDG, dacromet
    5. Garde: 4.8,5.8,6.8, 8.8,10.9
    6. Shape: round head, square head, Square Neck, half round head
    7. Package: plastic bag+carton+pallet
    8. Payment Terms: T/T, L/C
    9. Port : Shanghai, Ningbo, Zhapu

    8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank 0

    D M5 M6 M8 M10 M12 M16 M20
    P 0.8 1 1.25 1.5 1.75 2 2.5
    b L≤125 16 18 22 26 30 38 46
    125<L≤200 22 24 28 32 36 44 52
    L>200 / / 41 45 49 57 65
    dk max 13.55 16.55 20.65 24.65 30.65 38.80 46.80
    min 12.45 15.45 19.35 23.35 29.35 37.2 45.2
    ds max 5 6 8 10 12 16 20
    min 4.52 5.52 7.42 9.42 11.3 15.3 19.16
    k max 3.3 3.88 4.88 5.38 6.95 8.95 11.05
    min 2.7 3.12 4.12 4.62 6.05 8.05 9.95
    s max 5.48 6.48 8.58 10.58 12.7 16.7 20.84
    min 4.52 5.52 7.42 9.42 11.3 15.3 19.16
    kl max 4.1 4.6 5.6 6.6 8.75 12.9 15.9
    min 2.9 3.4 4.4 5.4 7.25 11.1 14.1

     
    Application:
     
    Fastener is a kind of mechanical parts, which is used for fastening connection and is widely used. Carriage bolt are widely used in industries, including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, mold, hydraulic industry and so on, in all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies and so on, can see every kind of fasteners. Is the most widely used basic pieces of machinery. It is characterized by a wide variety of specifications, the performance of different purposes, and the standardization, serialization.
     
    Advantages:
     
    1. Good after sales service. Any small problem happening will be solved at the most prompt time;
    2. Many years of export experience;
    3. Specifications list is available upon your request
    4. Welcome to send enquiry, we will reply soon.
    5. Prompt shipment with professional documents
    6. Custom packing, with photo before shipment
    7. High quality and competitive price.

    8mm Round Head Square Neck Carriage Bolt Shallow Dome Plain Unthreaded Shank 1

    Contact Details
    Haiyan Juxing trading Co., Ltd

    Contact Person: Claire Li

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    No.2 JinCheng Road QinShan Development Area,HaiYan,Zhejiang China
    Tel:86-573-8640-9827
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